<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      table {
        width: 600px;
        text-align: center;
      }

      table,
      th,
      td {
        border: 1px solid #ccc;
        border-collapse: collapse;
      }

      caption {
        font-size: 18px;
        margin-bottom: 10px;
        font-weight: 700;
      }

      tr {
        height: 40px;
        cursor: pointer;
      }

      table tr:nth-child(1) {
        background-color: #ddd;
      }

      table tr:not(:first-child):hover {
        background-color: #eee;
      }
    </style>
  </head>

  <body>
    <h2>学生信息</h2>
    <p>将数据渲染到页面中...</p>

    <table>
      <caption>
        学生列表
      </caption>
      <tr>
        <th>序号</th>
        <th>姓名</th>
        <th>年龄</th>
        <th>性别</th>
        <th>家乡</th>
      </tr>
      <!-- script写到这里 -->
      <script>
        // 1. 数据准备
        let students = [
          { name: "小明", age: 18, gender: "男", hometown: "河北省" },
          { name: "小红", age: 19, gender: "女", hometown: "河南省" },
          { name: "小刚", age: 17, gender: "男", hometown: "山西省" },
          { name: "小丽", age: 18, gender: "女", hometown: "山东省" },
          { name: "晓强", age: 16, gender: "女", hometown: "蓝翔技校" },
        ];
        for (let [i, e] of students.entries()) {
        //   console.log(e);   e就是数组的每一项  e === students[i]
          document.write(`
            <tr>
              <td>${i+1}</td>
              <td>${e.name}</td>
              <td>${e.age}</td>
              <td>${e.gender}</td>
              <td>${e.hometown}</td>
            </tr>
          `);
        }
      </script>
    </table>
  </body>
</html>
